<template>
  <div class="app-container">

    <!-- 顶部 Header 区域 -->
    <mt-header fixed title="Vue项目"></mt-header>
		<span class="back" @click="back" v-show="flag">返回</span>


    <!-- 中间的 路由 router-view 区域 -->
	<transition>
		<router-view></router-view>
	</transition>


    <!-- 底部 Tabbar 区域 -->
    <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item-llb" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item-llb" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item-llb" to="/shopper">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart">
					<span class="mui-badge" id="badge">{{ $store.getters.getAllCount }}</span>
				</span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item-llb" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
  </div>
</template>

<script>
 export default{
	 data () {
		 return {
			 flag: false
		 }
	 },
	 created() {
		 this.flag = this.$route.path === '/home'?false:true
	 },
	 methods: {
		 back() {
			 this.$router.go(-1)
		 }
	 },
		watch: {
			'$route.path': function(newAal) {
				if(newAal === '/home') {
					this.flag = false
				}else{
					this.flag = true
				}
			}
		}
 }
</script>


<style lang="scss" scoped>
	.mint-header{
		z-index: 99;
	}
	.app-container {
		padding-top: 40px;
		padding-bottom: 50px;
		overflow-x: hidden;
		// position: relative;
		.back{
			position: fixed;
			left: 10px;
			top: 10px;
			z-index: 99;
			font-size: 13px;
			color: #fff;
		}
		.back::before{
			content: '<'
		}
	}

	.v-enter {
		opacity: 0;
		transform: translateX(100%);
	}

	.v-leave-to {
		opacity: 0;
		transform: translateX(-100%);
		position: absolute;
	}

	.v-enter-active,
	.v-leave-active {
		transition: all 0.5s ease;
	}

	// 该类名，解决 tabbar 点击无法切换的问题
	.mui-bar-tab .mui-tab-item-llb.mui-active {
		color: #007aff;
	}

	.mui-bar-tab .mui-tab-item-llb {
		display: table-cell;
		overflow: hidden;
		width: 1%;
		height: 50px;
		text-align: center;
		vertical-align: middle;
		white-space: nowrap;
		text-overflow: ellipsis;
		color: #929292;
	}

	.mui-bar-tab .mui-tab-item-llb .mui-icon {
		top: 3px;
		width: 24px;
		height: 24px;
		padding-top: 0;
		padding-bottom: 0;
	}

	.mui-bar-tab .mui-tab-item-llb .mui-icon~.mui-tab-label {
		font-size: 11px;
		display: block;
		overflow: hidden;
		text-overflow: ellipsis;
	}
</style>
